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| Title | Publication | Publish Year |
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Comparative Properties of Douglas-Fir Boards Made from Parallel-Laminated Veneers vs. Solid Wood
Static bending and cleavage resistance of nominal 1-by 6-inch boards made from five and seven parallel plies of rotary-cut Douglas-fir veneer compared favorably with that of clear, vertical-grain, solid-sawn Douglas-fir […]
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Forest Products Journal | 1973 |
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Comparing Ammoniation and Water-Repellent Preservative Treatments for Protecting Wood Window Units from Decay
Window units fabricated from untreated, pentachlorophenol dip treated, or ammonia-treated ponderosa pine were exposed in the field in southern Mississippi to test their resistance to decay. For nearly 4 years […]
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Forest Products Journal | 1979 |
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Comparing estimated merchantable timber inventory with actual harvest in East Texas
Estimates of merchantable timber inventory were evaluated on active logging operations throughout the forested region of Texas. An overview of current logging practices is provided. Actual harvest volumes and merchantability […]
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Forest Products Journal | 1988 |
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Comparing length effect models for lumber tensile strength
Laboratory research has confirmed the existence of a length effect on lumber tensile strength. This effect of specimen length on tensile strength needs to be considered in Monte Carlo simulation […]
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Forest Products Journal | 1992 |
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Comparison between automatic and manual quality grading of sawn softwood
An investigation has been performed to determine the repeatability and the accuracy of automatic and manual grading in a sawmill?s final grading station. In total, approximately 400 boards of pine […]
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Forest Products Journal | 2006 |
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Comparison of Above-Ground Biomasses of the Four Major Southern Pines
The aboveground biomasses of the four major species of southern pine 6 to 20 inches d.b.h. growing in natural, closed, uneven-aged sawtimber stands are compared. The green and dry weight […]
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Forest Products Journal | 1976 |
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Comparison of grade, yield, and mechanical properties of lumber produced from young fast-grown and older slow-grown planted slash pine
Twenty-five 20-year-old, fast-grown slash pine test trees and twenty-five 50-year-old slash pine control trees of similar diameter at breast height were processed through the Temple-Inland Forest Products Co. (formerly Temple […]
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Forest Products Journal | 1990 |
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Comparison of Kiln Schedules for Drying Spruce
Eighteen charges of nominal 2-inch spruce [Picea glauca (Moench) Voss and Picea engelmannii Parry] from the British Columbia Interior were dried using six temperature-classification schedules: conventional, low-high, low-variable high, constant […]
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Forest Products Journal | 1973 |
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Comparison of Lag Screws and Threaded Nails in a Typical Structural Joint
Standard lag screws were compared with annular threaded nails (regular and hardened) in a typical laminated southern yellow pine hanger-connected joint (purlin-to-arch). Twenty pairs of joints were tested; in each […]
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Forest Products Journal | 1977 |
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Comparison of mechanized systems for thinning ponderosa pine and mixed conifer stands
Three systems for thinning pine plantations and naturally-regenerated stands were studied. All three produced small sawlogs and fuel chips. The whole-tree system consisted of a feller buncher, skidder, stroke processor, […]
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Forest Products Journal | 1997 |
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Comparison of Outdoor and Accelerated Weathering of Unprotected Softwoods
A comparison is made between the erosion rates of accelerated (artificial) and outdoor (natural) weathering of western redcedar. Fast-grown summerwood was eroded much more slowly than slow-grown. Springwood loss was […]
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Forest Products Journal | 1978 |
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Comparison of sawing variables by region of the United States
Sawing variables obtained from 650 studies of softwood sawmills were compared by region of the United States. Variables were headrig kerf, resaw kerf, total sawing variation, oversizing/undersizing, fixed-head planer allowance, […]
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Forest Products Journal | 1988 |
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Comparisons of Air and Steam as Veneer Drying Media
Veneer samples of Douglas-fir and southern pine sapwood were dried in air at temperatures of 350, 600, and 7500 F, velocities of 50, 100, and 150 feet per second, and […]
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Forest Products Journal | 1974 |
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Comparisons of different test methods on bending properties of dimension lumber
This paper examines adjustment models for comparing strength and stiffness test data derived according to ASTM/Canadian standards and European and Australian/New Zealand test methods. This work supports efforts directed at […]
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Forest Products Journal | 2005 |
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Comparisons of Two Methods of Harvesting Biomass for Energy
Two harvesting methods for utilization of understory biomass were tested against a conventional harvesting method to determine relative costs. The conventional harvesting method tested removed all pine 6 inches diameter […]
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Forest Products Journal | 1986 |
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Competitive market analysis of eastern red cedar
Eastern red cedar (Juniperus virginiana) is often considered a ?trash or nuisance? tree. In some states, this species has been declared invasive and management strategies have been adopted to destroy […]
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Forest Products Journal | 2005 |
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Component Variables on Properties of Particleboard for Exterior Use
This study of exterior-type particleboard was designed to evaluate the influence of the major component variables and end-use properties. A “standard” 40 lb./cu.ft. Douglas-fir flakeboard was manufactured, containing 6 percent […]
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Forest Products Journal | 1966 |
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Composites from southern pine juvenile wood. Part 3. Juvenile and mature wood furnish mixtures
Composite panels made from mixtures of mature and juvenile southern pine (Pinus taeda L.) were evaluated for initial mechanical properties and dimensional stability. The effect that the proportion of juvenile […]
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Forest Products Journal | 2004 |
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Composition of Benguet Pine Gum Oleoresin
Benquet pine is considered a potential source for gum naval stores in the Philippines. Gum turpentine contained chemicals in the following percentages: alpha pinene 93.6 percent, camphene 1.5 percent, beta […]
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Forest Products Journal | 1967 |
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Compressibility and Bond Quality of Western Softwood Veneers
Presents and discusses data relating to compressibility of selected western species of softwood veneers listed under group 1 of CS 122-40, when hot pressed under standard manufacturing conditions for plywood. […]
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Forest Products Journal | 1963 |
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Compression of White-Pocket Veneer in Hot-Pressed Douglas-Fir Plywood
The characteristics of Douglas-fir plywood containing various amounts of white-pocket veneers were studied. When standard hot-pressing schedules were used, the degree of compression in white-pocket veneers increased as the amount […]
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Forest Products Journal | 1960 |
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Compression Perpendicular to the Grain in Dry Douglas-Fir and Hem-Fir
Compression perpendicular to the grain (C-Perp) Was studied in five grades of Douglas-fir and three grades of hem-fir laminating lumber randomly selected from four states. Tests of small and large […]
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Forest Products Journal | 1983 |
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Compression rolling of Sitka spruce and Douglas-fir
The effects of compression rolling on timber properties are broadly predictable, but while it is possible to exercise general control over the deformation processes, the effects are localized both with […]
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Forest Products Journal | 1988 |
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Compression-Bending Strength and Stiffness of Walls with Utility Grade Studs
Four wood-stud walls were constructed with Utility grade Engelmann spruce studs, according to minimum specifications of the Federal Housing Administration, and tested to destruction under combined vertical and horizontal loads. […]
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Forest Products Journal | 1976 |
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Compressive properties of clear and knotty loblolly pine juvenile wood
Compression parallel to the grain tests were done on 3/4- by 1- by 4-inch clear specimens; 8-inch to 14-inch long clear and knotty 2 by 4’s; and untrimmed rounds from […]
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Forest Products Journal | 1988 |